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Subsequent events - Additional information (Details) - Subsequent events
¥ in Thousands
Jan. 31, 2024
CNY (¥)
stockholder
Suzhou Photon-Matrix | Hubei ECARX  
Subsequent events  
Equity interest percentage 13.10%
Shareholders | stockholder 4
Amount of cash consideration | ¥ ¥ 46,306
Suzhou Photon-Matrix  
Subsequent events  
Ownership interest 62.27%